C++ (Cpp) snmp_dec_iflist Examples

Example #1

File: netif.c Project: BlueSkyGjj/nRF52

void netif_remove(struct netif * netif)
{
  if ( netif == NULL ) return;

  snmp_delete_ipaddridx_tree(netif);

  /*  is it the first netif? */
  if (netif_list == netif) {
    netif_list = netif->next;
    snmp_dec_iflist();
  }
  else {
    /*  look for netif further down the list */
    struct netif * tmpNetif;
    for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) {
      if (tmpNetif->next == netif) {
        tmpNetif->next = netif->next;
        snmp_dec_iflist();
        break;
      }
    }
    if (tmpNetif == NULL)
      return; /*  we didn't find any netif today */
  }
  /* this netif is default? */
  if (netif_default == netif)
    /* reset default netif */
    netif_default = NULL;
  LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
}

Example #2

File: netif.c Project: 003900107/wpa900-base

/**
 * Remove a network interface from the list of lwIP netifs.
 *
 * @param netif the network interface to remove
 */
void netif_remove(struct netif * netif)
{
  if ( netif == NULL ) return;

#if LWIP_IGMP
  /* stop IGMP processing */
  if (netif->flags & NETIF_FLAG_IGMP) {
    igmp_stop( netif);
  }
#endif /* LWIP_IGMP */

  snmp_delete_ipaddridx_tree(netif);

  /*  is it the first netif? */
  if (netif_list == netif) 
  {
    //tyh:20130715 为了避免查询netif_list出现死循环, 顾在此做出赋值判断
    if(netif->next != netif)
      netif_list = netif->next;
    else
      netif_list = NULL;
    
    snmp_dec_iflist();
  }
  else {
    /*  look for netif further down the list */
    struct netif * tmpNetif;
    for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) 
    {
      //tyh:20130715 添加netif指针出现循环状态的处理
      if(tmpNetif->next == tmpNetif)
      {
        snmp_dec_iflist();
        netif_list = NULL;
        break;
      }
      
      if (tmpNetif->next == netif) 
      {
        tmpNetif->next = netif->next;
        snmp_dec_iflist();
        break;
      }
    }
    
    if (tmpNetif == NULL)
      return; /*  we didn't find any netif today */
  }
  
  /* this netif is default? */
  if (netif_default == netif)
    /* reset default netif */
    netif_set_default(NULL);
  
  LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
}

Example #3

File: netif.c Project: projectarkc/psiphon

/**
 * Remove a network interface from the list of lwIP netifs.
 *
 * @param netif the network interface to remove
 */
void
netif_remove(struct netif *netif)
{
  if (netif == NULL) {
    return;
  }

#if LWIP_IGMP
  /* stop IGMP processing */
  if (netif->flags & NETIF_FLAG_IGMP) {
    igmp_stop(netif);
  }
#endif /* LWIP_IGMP */
#if LWIP_IPV6 && LWIP_IPV6_MLD
  /* stop MLD processing */
  mld6_stop(netif);
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
  if (netif_is_up(netif)) {
    /* set netif down before removing (call callback function) */
    netif_set_down(netif);
  }

  snmp_delete_ipaddridx_tree(netif);

  /*  is it the first netif? */
  if (netif_list == netif) {
    netif_list = netif->next;
  } else {
    /*  look for netif further down the list */
    struct netif * tmpNetif;
    for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) {
      if (tmpNetif->next == netif) {
        tmpNetif->next = netif->next;
        break;
      }
    }
    if (tmpNetif == NULL)
      return; /*  we didn't find any netif today */
  }
  snmp_dec_iflist();
  /* this netif is default? */
  if (netif_default == netif) {
    /* reset default netif */
    netif_set_default(NULL);
  }
#if LWIP_NETIF_REMOVE_CALLBACK
  if (netif->remove_callback) {
    netif->remove_callback(netif);
  }
#endif /* LWIP_NETIF_REMOVE_CALLBACK */
  LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
}

Example #4

File: netif.c Project: bastien-roucaries/lwip

/**
 * Remove a network interface from the list of lwIP netifs.
 *
 * @param netif the network interface to remove
 */
void
netif_remove(struct netif *netif)
{
  if (netif == NULL) {
    return;
  }

#if LWIP_IPV4
  if (!ip4_addr_isany_val(netif->ip_addr)) {
#if LWIP_TCP
    tcp_netif_ipv4_addr_changed(&netif->ip_addr, NULL);
#endif /* LWIP_TCP */
    /* cannot do this for UDP, as there is no 'err' callback in udp pcbs */
  }

#if LWIP_IGMP
  /* stop IGMP processing */
  if (netif->flags & NETIF_FLAG_IGMP) {
    igmp_stop(netif);
  }
#endif /* LWIP_IGMP */
#endif /* LWIP_IPV4*/

#if LWIP_IPV6 && LWIP_IPV6_MLD
  /* stop MLD processing */
  mld6_stop(netif);
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
  if (netif_is_up(netif)) {
    /* set netif down before removing (call callback function) */
    netif_set_down(netif);
  }

  snmp_delete_ipaddridx_tree(netif);

  /* this netif is default? */
  if (netif_default == netif) {
    /* reset default netif */
    netif_set_default(NULL);
  }
  /*  is it the first netif? */
  if (netif_list == netif) {
    netif_list = netif->next;
  } else {
    /*  look for netif further down the list */
    struct netif * tmp_netif;
    for (tmp_netif = netif_list; tmp_netif != NULL; tmp_netif = tmp_netif->next) {
      if (tmp_netif->next == netif) {
        tmp_netif->next = netif->next;
        break;
      }
    }
    if (tmp_netif == NULL) {
      return; /* netif is not on the list */
    }
  }
  snmp_dec_iflist();
#if LWIP_NETIF_REMOVE_CALLBACK
  if (netif->remove_callback) {
    netif->remove_callback(netif);
  }
#endif /* LWIP_NETIF_REMOVE_CALLBACK */
  LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") );
}